8-2 Problem Solving in Geometry with Proportions - Nexuslearning.net

SAMMY SOSA
was the National
League Most Valuable
Player in 1998. He hit 66
home runs to finish second
to Mark McGwire who hit 70,
a new record.
APPLICATION LINK
www.mcdougallittell.com
REAL
REAL LIFE
LIFE
INTERNET
FOCUS ON
PEOPLE
PROPERTIES OF PROPORTIONS Use the diagram and the given information
to find the unknown length.
AB
AC
23. GIVEN = , find BD. 24. GIVEN
BD
CE
VW
=
WY
VX
11.25 , find VX. 9
XZ
D
B
A
20 16
C
9
25. GIVEN BT
=
TR
ES
, find TR.
2 SP
SQ
26. GIVEN
SL
= , find SQ.
1
6 } } 17}2 }
3
SK
SJ
B
4
T
R
BLUEPRINTS In Exercises 29
and 30, use the blueprint of the
1
house in which inch = 1 foot.
16
Use a ruler to approximate the
dimension.
29. Find the approximate width of the
house to the nearest 5 feet.
about 25 ft
30. Find the approximate length of the
house to the nearest 5 feet.
about 40 ft
31. BATTING AVERAGE The batting average of a baseball player is the ratio
of the number of hits to the number of official at-bats. In 1998, Sammy Sosa
of the Chicago Cubs had 643 official at-bats and a batting average of .308.
Use the following verbal model to find the number of hits Sammy Sosa got.
Number
of
hits
=
Number
of
at-bats
Battin
198 hits
g average
1.000
32. CURRENCY EXCHANGE Natalie has relatives in Russia. She decides to
take a trip to Russia to visit them. She took 500 U.S. dollars to the bank to
exchange for Russian rubles. The exchange rate on that day was 22.76 rubles
per U.S. dollar. How many rubles did she get in exchange for the 500 U.S.
11,380 rubles
dollars? Source: Russia Today
E
E
6
S
10
L
Y
6
W
8.2 Problem Solving in Geometry with Proportions 469
24
V
X
3
Z
K J
2
P
q
5
7
LJ
27. GIVEN =
JN
MK
, find JN.
KP
28. GIVEN QU
=
QS
R
6
6 } }
7
V
, find SU.
RT
9
16
L M
12
S
6
q R
4
T
J
K
9
6
N P
U
V
S